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no, his scales are not raised. i was just concerned because of the size of it. a few weeks ago this happened, and i believe it was constipation due to a diet of almost exclusively bloodworms. so i switched him to a small pellet for bettas and he loves them. i give him 4 a day. i will stop for a few days then.

I have a female that dose this anytime she eats, she is just so competitive for food she doesn't really care that she is full she HAS to get most of the food. She first did this in the sorority tank, and so did all the others in the tank. I treated for dropsy and nothing ever changed. If I starve her for about 3 days she looks normal. I just yesterday divided the tank she was in, hoping she quites being my swimming pimple lol. Every tank gets a verity of foods, they don't eat the same thing 2 days in a row and 2 days out of the week they get peas or other vegges. Other than she almost always has a swollen belly, she is doing fine. No disconfert that I can tell and she chased her tankmate from time to time. Just keep and eye on him, even my other bettas will do this from time to time and be fine by morning.
-and now I notice this is 6 days old....-